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Finding the Fourth Proportional to 146,773.85, 202,548.71 and 86,346.77

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Solution

The fourth proportional to 146,773.85, 202,548.71 and 86,346.77 is: 119,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,773.85 : 202,548.71 = 86,346.77 : x
  2. Step 2: Convert to fraction form
    146,773.85/202,548.71 = 86,346.77/x
  3. Step 3: Cross multiply
    146,773.85x = 202,548.71 × 86,346.77
  4. Step 4: Simplify right side
    146,773.85x = 17,489,426,079.29
  5. Step 5: Solve for x
    x = 17,489,426,079.29/146,773.85
  6. Step 6: Final answer
    x = 119,159.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.